Dark matter signals from Draco and Willman 1: prospects for MAGIC II and CTA

What is it about?

In 2008, in the context of MAGIC II and CTA, the following aspects were interesting to study: a) which technical aspects may influence the detection of DM for IACTs, b) how much the increase in sensitivity and decrease of energy threshold affects the prospects of detection, c) that the internal bremm- strahlung mechanism (Bringmann et al, JHEP 0801:049,2008) introduces features in the gamma–ray spectrum that affect the detection probabilities for different mod- els of neutralino; d) which are most probable regions of the parameter space of the neutralino for observation or constraints. All of this is investigated in the study.

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Why is it important?

We showed how important is the correct treatment of dark matter spectral features in estimating the distance between a model and the experimental results. We also proposed new ways of showing the reach of IACT for DM searches (through boost-factor plots). We assessed for one of the first times the CTA reach for DM detection